*,
*::before,
*::after {
  box-sizing: border-box;
}


body {
  margin: 0;
  font-family: 'Poppins', Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1f2933;
  background-color: #f4f7fb;
}


a {
  color: #0b72b9;
  text-decoration: none;
}


a:hover {
  text-decoration: underline;
}


.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}


/* Header */


.site-header {
  background-color: #0a1a2f;
  color: #ffffff;
  padding: 16px 0;
}


.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.logo {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}


.main-nav a {
  margin-left: 20px;
  color: #e5edf7;
  font-size: 14px;
  font-weight: 500;
}


.main-nav a:hover {
  color: #ffffff;
}


/* Hero */


.hero {
  background: radial-gradient(circle at top left, #1f4b99, #0a1a2f);
  color: #ffffff;
  padding: 80px 0;
}


.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
}


.hero-text {
  max-width: 700px;
  text-align: center;
}


.hero h2 {
  font-size: 32px;
  margin-bottom: 10px;
}


.subheadline {
  font-size: 18px;
  color: #d9e6f2;
  margin-bottom: 24px;
}


/* Sections */


.section {
  padding: 60px 0;
  background-color: #f4f7fb;
}


.section-alt {
  background-color: #ffffff;
}


.section-title {
  font-size: 26px;
  margin-bottom: 10px;
  text-align: center;
}


.section-intro {
  max-width: 750px;
  margin: 0 auto 30px auto;
  text-align: center;
  color: #4b5563;
}


/* Cards (Services) */


.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 20px;
}


.card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
}


.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 18px;
}


/* About */


.about-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}


.about-text {
  flex: 1;
  min-width: 260px;
}


/* Certifications */


.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}


.cert-column h3 {
  margin-top: 0;
  font-size: 18px;
}


.cert-column ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}


.cert-column li {
  margin-bottom: 6px;
}


.cert-link {
  margin-top: 20px;
  text-align: center;
}


/* Contact */


.contact-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: flex-start;
}


.contact-info {
  flex: 1;
  min-width: 240px;
}


.contact-form {
  flex: 1;
  min-width: 260px;
  display: flex;
  flex-direction: column;
}


.contact-form label {
  font-size: 14px;
  margin-bottom: 4px;
}


.contact-form input,
.contact-form textarea {
  padding: 10px;
  margin-bottom: 14px;
  border-radius: 6px;
  border: 1px solid #cbd2e1;
  font-family: inherit;
  font-size: 14px;
}


.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #0b72b9;
  box-shadow: 0 0 0 2px rgba(11, 114, 185, 0.15);
}


/* Buttons */


.cta-button {
  display: inline-block;
  background-color: #0b72b9;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font